From 1530a85d5aefcf6497ff2129023e9a0b002603dd Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Tue, 4 May 2021 15:30:24 +0200
Subject: Solving many issues: Aligning kernel stack, improve syscall
 mechanism, DISABLING RED-ZONE !!!!

---
 src/drivers/framebuffer.cc | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'src/drivers/framebuffer.cc')

diff --git a/src/drivers/framebuffer.cc b/src/drivers/framebuffer.cc
index 33b73d6..ecc4869 100644
--- a/src/drivers/framebuffer.cc
+++ b/src/drivers/framebuffer.cc
@@ -38,9 +38,14 @@ void framebuffer_scrollup(u32 npixel){
     for(u32 y=0;y<fb_cfg.height;y++){
         if(npixel<fb_cfg.height){
             for(u32 x=0;x<fb_cfg.width;x++){
-                u32 *pixel_dst=(u32*)(fb_cfg.location+x*(fb_cfg.depth/8)+y*fb_cfg.pitch);
-                u32 *pixel_src=(u32*)(fb_cfg.location+x*(fb_cfg.depth/8)+npixel*fb_cfg.pitch);
-                *pixel_dst=*pixel_src; // Faster than writing pixel by pixel
+                u8 *pixel_dst=(u8*)(fb_cfg.location+x*(fb_cfg.depth/8)+y*fb_cfg.pitch);
+                u8 *pixel_src=(u8*)(fb_cfg.location+x*(fb_cfg.depth/8)+npixel*fb_cfg.pitch);
+                pixel_dst[0]=pixel_src[0]; 
+                pixel_dst[1]=pixel_src[1]; 
+                pixel_dst[2]=pixel_src[2]; 
+                if(fb_cfg.depth==32)
+                    pixel_dst[3]=pixel_src[3]; 
+
             }
         }
         else{
-- 
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